RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
The US$100 asking price for this Kenwood KM-991 is ambitious compared to the typical used market, which generally ranges from US$15 to US$75 for functional units. Recent sales show a working model sold for US$77, while another buyer scored one at US$18.50, placing your listing near or above the 75th percentile. Unless this unit is in pristine, original-owner condition with verified reliability, the price exceeds what most enthusiasts expect for this vintage amplifier.
The KM-991 is well-regarded for its robust 150 watts per channel into 8Ω and exceptionally low 0.015% distortion, offering clean power for demanding speakers. Its 5Hz–200kHz frequency response ensures excellent audio fidelity. However, be cautious: this model is fully digital, and common failure points include corroded output relay contacts and faulty ICs that cause channel loss. Given the high price, verify the condition thoroughly and confirm all accessories are included before committing.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Kenwood traces its origins to December 21, 1946, when it was founded as Kasuga Radio Co. Ltd. in Komagane City, Nagano Prefecture, Japan, by a group of entrepreneurs led by William "Bill" Kasuga. Emerging in the postwar era, the company initially produced electronic components and amateur radio gear, renaming to Trio Corporation in 1960 before adopting the Kenwood name in 1986 to appeal to Western markets—blending "Ken," a familiar name across Japan and America, with "Wood" evoking durability and Hollywood. This rebranding fueled rapid international growth, starting with a U.S. office in Los Angeles County in 1963.
The brand built its legacy on high-quality audio and communications equipment, excelling in home hi-fi amplifiers like the acclaimed 1970 Supreme 1 multichannel model, receivers, tuners, and speakers with innovations such as polypropylene cones. Kenwood also pioneered car audio systems, including the first audio/video amplifier for home theater in 1981 and anti-theft cassette decks, alongside professional two-way radios and amateur transceivers. While maintaining roots in consumer electronics, it expanded into automotive infotainment.
Today, as part of JVCKENWOOD since the 2008 merger with JVC, Kenwood holds a solid mid-tier position in car audio and professional communications, prized by enthusiasts for reliable performance and aftermarket upgrades. Its vintage home hi-fi gear from the 1970s and 1980s commands respect among collectors for robust build and warm sound, though it no longer dominates pure hi-fi markets.
See all Kenwood listings on RADAR.
